/*
 * wpa_supplicant - Internal definitions
 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef WPA_SUPPLICANT_I_H
#define WPA_SUPPLICANT_I_H

#include "drivers/driver.h"

extern const char *wpa_supplicant_version;
extern const char *wpa_supplicant_license;
#ifndef CONFIG_NO_STDOUT_DEBUG
extern const char *wpa_supplicant_full_license1;
extern const char *wpa_supplicant_full_license2;
extern const char *wpa_supplicant_full_license3;
extern const char *wpa_supplicant_full_license4;
extern const char *wpa_supplicant_full_license5;
#endif /* CONFIG_NO_STDOUT_DEBUG */

extern struct wpa_driver_ops *wpa_supplicant_drivers[];


struct wpa_scan_result;
struct wpa_sm;
struct wpa_supplicant;

/*
 * Forward declarations of private structures used within the ctrl_iface
 * backends. Other parts of wpa_supplicant do not have access to data stored in
 * these structures.
 */
struct ctrl_iface_priv;
struct ctrl_iface_global_priv;
struct ctrl_iface_dbus_priv;

#ifdef CONFIG_CCKM
void
wpa_cckm_hmac_calculate_wpa(struct wpa_supplicant *wpa, u8 *bssid, u8 *tsf);
#endif
/**
 * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
 */
struct wpa_interface {
  /**
   * confname - Configuration name (file or profile) name
   *
   * This can also be %NULL when a configuration file is not used. In
   * that case, ctrl_interface must be set to allow the interface to be
   * configured.
   */
  const char *confname;

  /**
   * ctrl_interface - Control interface parameter
   *
   * If a configuration file is not used, this variable can be used to
   * set the ctrl_interface parameter that would have otherwise been read
   * from the configuration file. If both confname and ctrl_interface are
   * set, ctrl_interface is used to override the value from configuration
   * file.
   */
  const char *ctrl_interface;

  /**
   * driver - Driver interface name, or %NULL to use the default driver
   */
  const char *driver;

  /**
   * driver_param - Driver interface parameters
   *
   * If a configuration file is not used, this variable can be used to
   * set the driver_param parameters that would have otherwise been read
   * from the configuration file. If both confname and driver_param are
   * set, driver_param is used to override the value from configuration
   * file.
   */
  const char *driver_param;

  /**
   * ifname - Interface name
   */
  const char *ifname;

  /**
   * bridge_ifname - Optional bridge interface name
   *
   * If the driver interface (ifname) is included in a Linux bridge
   * device, the bridge interface may need to be used for receiving EAPOL
   * frames. This can be enabled by setting this variable to enable
   * receiving of EAPOL frames from an additional interface.
   */
  const char *bridge_ifname;
};

/**
 * struct wpa_params - Parameters for wpa_supplicant_init()
 */
struct wpa_params {
  /**
   * daemonize - Run %wpa_supplicant in the background
   */
  int daemonize;

  /**
   * wait_for_monitor - Wait for a monitor program before starting
   */
  int wait_for_monitor;

  /**
   * pid_file - Path to a PID (process ID) file
   *
   * If this and daemonize are set, process ID of the background process
   * will be written to the specified file.
   */
  char *pid_file;

  /**
   * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
   */
  int wpa_debug_level;

  /**
   * wpa_debug_show_keys - Whether keying material is included in debug
   *
   * This parameter can be used to allow keying material to be included
   * in debug messages. This is a security risk and this option should
   * not be enabled in normal configuration. If needed during
   * development or while troubleshooting, this option can provide more
   * details for figuring out what is happening.
   */
  int wpa_debug_show_keys;

  /**
   * wpa_debug_timestamp - Whether to include timestamp in debug messages
   */
  int wpa_debug_timestamp;

  /**
   * ctrl_interface - Global ctrl_iface path/parameter
   */
  char *ctrl_interface;

  /**
   * dbus_ctrl_interface - Enable the DBus control interface
   */
  int dbus_ctrl_interface;

  /**
   * wpa_debug_file_path - Path of debug file or %NULL to use stdout
   */
  const char *wpa_debug_file_path;
};

/**
 * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 *
 * This structure is initialized by calling wpa_supplicant_init() when starting
 * %wpa_supplicant.
 */
struct wpa_global {
  struct wpa_supplicant *ifaces;
  struct wpa_params params;
  struct ctrl_iface_global_priv *ctrl_iface;
  struct ctrl_iface_dbus_priv *dbus_ctrl_iface;
  void **drv_priv;
  size_t drv_count;
};


struct wpa_client_mlme {
#ifdef CONFIG_CLIENT_MLME
  enum {
    IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
    IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
    IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
  } state;
  u8 prev_bssid[ETH_ALEN];
  u8 ssid[32];
  size_t ssid_len;
  u16 aid;
  u16 ap_capab, capab;
  u8 *extra_ie; /* to be added to the end of AssocReq */
  size_t extra_ie_len;
  u8 *extra_probe_ie; /* to be added to the end of ProbeReq */
  size_t extra_probe_ie_len;
  wpa_key_mgmt key_mgmt;

  /* The last AssocReq/Resp IEs */
  u8 *assocreq_ies, *assocresp_ies;
  size_t assocreq_ies_len, assocresp_ies_len;

  int auth_tries, assoc_tries;

  unsigned int ssid_set:1;
  unsigned int bssid_set:1;
  unsigned int prev_bssid_set:1;
  unsigned int authenticated:1;
  unsigned int associated:1;
  unsigned int probereq_poll:1;
  unsigned int use_protection:1;
  unsigned int create_ibss:1;
  unsigned int mixed_cell:1;
  unsigned int wmm_enabled:1;

  struct os_time last_probe;

#define IEEE80211_AUTH_ALG_OPEN BIT(0)
#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
#define IEEE80211_AUTH_ALG_LEAP BIT(2)
  unsigned int auth_algs; /* bitfield of allowed auth algs */
  int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
  int auth_transaction;

  struct os_time ibss_join_req;
  u8 *probe_resp; /* ProbeResp template for IBSS */
  size_t probe_resp_len;
  u32 supp_rates_bits;

  int wmm_last_param_set;

  int sta_scanning;
  int scan_hw_mode_idx;
  int scan_channel_idx;
  enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
  struct os_time last_scan_completed;
  int scan_oper_channel;
  int scan_oper_freq;
  int scan_oper_phymode;
  u8 scan_ssid[32];
  size_t scan_ssid_len;
  int scan_skip_11b;

  struct ieee80211_sta_bss *sta_bss_list;
#define STA_HASH_SIZE 256
#define STA_HASH(sta) (sta[5])
  struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];

  int cts_protect_erp_frames;

  int phymode; /* current mode; WPA_MODE_IEEE80211A, .. */
  struct wpa_hw_modes *modes;
  size_t num_modes;
  unsigned int hw_modes; /* bitfield of allowed hardware modes;
        * (1 << MODE_*) */
  int num_curr_rates;
  struct wpa_rate_data *curr_rates;
  int freq; /* The current frequency in MHz */
  int channel; /* The current IEEE 802.11 channel number */

#ifdef CONFIG_IEEE80211R
  u8 current_md[6];
  u8 *ft_ies;
  size_t ft_ies_len;
#endif /* CONFIG_IEEE80211R */

#else /* CONFIG_CLIENT_MLME */
  int dummy; /* to keep MSVC happy */
#endif /* CONFIG_CLIENT_MLME */
};

/**
 * struct wpa_supplicant - Internal data for wpa_supplicant interface
 *
 * This structure contains the internal data for core wpa_supplicant code. This
 * should be only used directly from the core code. However, a pointer to this
 * data is used from other files as an arbitrary context pointer in calls to
 * core functions.
 */
struct wpa_supplicant {
  struct wpa_global *global;
  struct wpa_supplicant *next;
  struct l2_packet_data *l2;
  struct l2_packet_data *l2_br;
  unsigned char own_addr[ETH_ALEN];
  char ifname[100];
#ifdef CONFIG_CTRL_IFACE_DBUS
  char *dbus_path;
#endif /* CONFIG_CTRL_IFACE_DBUS */
  char bridge_ifname[16];

  char *confname;
  struct wpa_config *conf;
  int countermeasures;
  os_time_t last_michael_mic_error;
  u8 bssid[ETH_ALEN];
  u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
             * field contains the targer BSSID. */
  int reassociate; /* reassociation requested */
  int disconnected; /* all connections disabled; i.e., do no reassociate
         * before this has been cleared */
  struct wpa_ssid *current_ssid;
  int ap_ies_from_associnfo;

  /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
  int pairwise_cipher;
  int group_cipher;
  int key_mgmt;
  int mgmt_group_cipher;
  int level;

  void *drv_priv; /* private data used by driver_ops */
  void *global_drv_priv;

  struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
            * NULL = not yet initialized (start
            * with broadcast SSID)
            * BROADCAST_SSID_SCAN = broadcast
            * SSID was used in the previous scan
            */
#define BROADCAST_SSID_SCAN ((struct wpa_ssid *) 1)

  struct wpa_scan_results *scan_res;

  struct wpa_driver_ops *driver;
  int interface_removed; /* whether the network interface has been
        * removed */
  struct wpa_sm *wpa;
  struct eapol_sm *eapol;

  struct ctrl_iface_priv *ctrl_iface;

  wpa_states wpa_state;
  int scanning;
  int new_connection;
  int reassociated_connection;

  int eapol_received; /* number of EAPOL packets received after the
           * previous association event */

  struct scard_data *scard;

  unsigned char last_eapol_src[ETH_ALEN];

  int keys_cleared;

  struct wpa_blacklist *blacklist;

  int scan_req; /* manual scan request; this forces a scan even if there
           * are no enabled networks in the configuration */
  int scan_res_tried; /* whether ap_scan=1 mode has tried to fetch scan
           * results without a new scan request; this is used
           * to speed up the first association if the driver
           * has already available scan results. */
  int scan_runs; /* number of scan runs since WPS was started */

  struct wpa_client_mlme mlme;
  int use_client_mlme;
  int driver_4way_handshake;

  int pending_mic_error_report;
  int pending_mic_error_pairwise;
  int mic_errors_seen; /* Michael MIC errors with the current PTK */

  struct wps_context *wps;
  int wps_success; /* WPS success event received */
  int blacklist_cleared;

  struct wpabuf *pending_eapol_rx;
  struct os_time pending_eapol_rx_time;
  u8 pending_eapol_rx_src[ETH_ALEN];
};


/* wpa_supplicant.c */
int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);

const char * wpa_supplicant_state_txt(int state);
int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
            struct wpa_scan_res *bss,
            struct wpa_ssid *ssid,
            u8 *wpa_ie, size_t *wpa_ie_len);
void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
            struct wpa_scan_res *bss,
            struct wpa_ssid *ssid);
void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
               struct wpa_ssid *ssid);
void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
             int sec, int usec);
void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
           int reason_code);
void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
         int reason_code);

void wpa_show_license(void);

struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
             struct wpa_interface *iface);
int wpa_supplicant_remove_iface(struct wpa_global *global,
        struct wpa_supplicant *wpa_s);
struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
             const char *ifname);
struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
int wpa_supplicant_run(struct wpa_global *global);
void wpa_supplicant_deinit(struct wpa_global *global);

int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
            struct wpa_ssid *ssid);

/* scan.c */
int wpa_supplicant_enabled_networks(struct wpa_config *conf);
void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
void wpa_supplicant_notify_scanning(struct wpa_supplicant *wpa_s,
            int scanning);

/* events.c */
void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);

/* driver_ops */
static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
          const char *ifname)
{
  if (wpa_s->driver->init2)
    return wpa_s->driver->init2(wpa_s, ifname,
              wpa_s->global_drv_priv);
  if (wpa_s->driver->init) {
    return wpa_s->driver->init(wpa_s, ifname);
  }
  return NULL;
}

static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->driver->deinit)
    wpa_s->driver->deinit(wpa_s->drv_priv);
}

static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
            const char *param)
{
  if (wpa_s->driver->set_param)
    return wpa_s->driver->set_param(wpa_s->drv_priv, param);
  return 0;
}

static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
                 int enabled)
{
  if (wpa_s->driver->set_drop_unencrypted) {
    return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
                 enabled);
  }
  return -1;
}

static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
                int enabled)
{
  if (wpa_s->driver->set_countermeasures) {
    return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
                enabled);
  }
  return -1;
}

static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
               int auth_alg)
{
  if (wpa_s->driver->set_auth_alg) {
    return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
               auth_alg);
  }
  return -1;
}

static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
{
  if (wpa_s->driver->set_wpa) {
    return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
  }
  return 0;
}

static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
{
  if (wpa_s->driver->set_mode) {
    return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
  }
  return 0;
}

static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
            struct wpa_driver_associate_params *params)
{
  if (wpa_s->driver->associate) {
    return wpa_s->driver->associate(wpa_s->drv_priv, params);
  }
  return -1;
}

static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
             size_t ssid_len)
{
  if (wpa_s->driver->scan) {
    return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
  }
  return -1;
}

static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
             struct wpa_scan_result *results,
             size_t max_size)
{
  if (wpa_s->driver->get_scan_results) {
    return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
                   results, max_size);
  }
  return -1;
}

static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
  struct wpa_supplicant *wpa_s)
{
  if (wpa_s->driver->get_scan_results2)
    return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
  return NULL;
}

static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
{
  if (wpa_s->driver->get_bssid) {
    return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
  }
  return -1;
}

static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
{
  if (wpa_s->driver->get_ssid) {
    return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
  }
  return -1;
}

static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
           const u8 *addr, int key_idx, int set_tx,
           const u8 *seq, size_t seq_len,
           const u8 *key, size_t key_len)
{
  if (wpa_s->driver->set_key) {
    wpa_s->keys_cleared = 0;
    return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
                key_idx, set_tx, seq, seq_len,
                key, key_len);
  }
  return -1;
}

static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
           const u8 *addr, int reason_code)
{
  if (wpa_s->driver->deauthenticate) {
    return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
                 reason_code);
  }
  return -1;
}

static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
               const u8 *addr, int reason_code)
{
  if (wpa_s->driver->disassociate) {
    return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
               reason_code);
  }
  return -1;
}

#ifdef CONFIG_CCKM
static inline int wpa_drv_cckm_reassoc(struct wpa_supplicant *wpa_s,
               u8 *mic, int rn)
{
  if (wpa_s->driver->set_reassoc) {
    return wpa_s->driver->set_reassoc(wpa_s->drv_priv, mic, (u8 *)&rn);
  }
  return -1;
}
#endif

static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
            const u8 *bssid, const u8 *pmkid)
{
  if (wpa_s->driver->add_pmkid) {
    return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
  }
  return -1;
}

static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
               const u8 *bssid, const u8 *pmkid)
{
  if (wpa_s->driver->remove_pmkid) {
    return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
               pmkid);
  }
  return -1;
}

static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->driver->flush_pmkid) {
    return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
  }
  return -1;
}

static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
           struct wpa_driver_capa *capa)
{
  if (wpa_s->driver->get_capa) {
    return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
  }
  return -1;
}

static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->driver->poll) {
    wpa_s->driver->poll(wpa_s->drv_priv);
  }
}

static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->driver->get_ifname) {
    return wpa_s->driver->get_ifname(wpa_s->drv_priv);
  }
  return NULL;
}

static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->driver->get_mac_addr) {
    return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
  }
  return NULL;
}

static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
             const u8 *dst, u16 proto,
             const u8 *data, size_t data_len)
{
  if (wpa_s->driver->send_eapol)
    return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
             data, data_len);
  return -1;
}

static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
          int state)
{
  if (wpa_s->driver->set_operstate)
    return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
  return 0;
}

static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
               const u8 *addr, int protect_type,
               int key_type)
{
  if (wpa_s->driver->mlme_setprotection)
    return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
               protect_type,
               key_type);
  return 0;
}

static inline struct wpa_hw_modes *
wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
          u16 *flags)
{
  if (wpa_s->driver->get_hw_feature_data)
    return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
                num_modes, flags);
  return NULL;
}

static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
              wpa_hw_mode phymode, int chan,
              int freq)
{
  if (wpa_s->driver->set_channel)
    return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
              chan, freq);
  return -1;
}

static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
           const u8 *ssid, size_t ssid_len)
{
  if (wpa_s->driver->set_ssid) {
    return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
                 ssid_len);
  }
  return -1;
}

static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
            const u8 *bssid)
{
  if (wpa_s->driver->set_bssid) {
    return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
  }
  return -1;
}

static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
              const char *alpha2)
{
  if (wpa_s->driver->set_country)
    return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
  return 0;
}

static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
            const u8 *data, size_t data_len)
{
  if (wpa_s->driver->send_mlme)
    return wpa_s->driver->send_mlme(wpa_s->drv_priv,
            data, data_len);
  return -1;
}

static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
               const u8 *addr, const u8 *supp_rates,
               size_t supp_rates_len)
{
  if (wpa_s->driver->mlme_add_sta)
    return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
               supp_rates, supp_rates_len);
  return -1;
}

static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
            const u8 *addr)
{
  if (wpa_s->driver->mlme_remove_sta)
    return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
  return -1;
}

static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
          const u8 *md,
          const u8 *ies, size_t ies_len)
{
  if (wpa_s->driver->update_ft_ies)
    return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
                ies, ies_len);
  return -1;
}

static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
           u8 action, const u8 *target_ap,
           const u8 *ies, size_t ies_len)
{
  if (wpa_s->driver->send_ft_action)
    return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
                 target_ap, ies, ies_len);
  return -1;
}

static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
             const u8 *ies, size_t ies_len)
{
  if (wpa_s->driver->set_probe_req_ie)
    return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
                   ies_len);
  return -1;
}

#endif /* WPA_SUPPLICANT_I_H */
